Niquelao Image Optimizerv1.5.3
Automatic PNG, JPEG and WebP image optimizer. No external binaries or API keys required. Works on any shared hosting.
Alternatives to WebP Converter & Image Optimizer
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Compress, resize and convert WordPress images directly in your browser, without an external image-processing service. Free. No API key.
Local WebP optimizer for WordPress. Free converts images to WebP; Pro adds AVIF and site-wide image tools.
Convert JPG/PNG uploads to WebP on your own server. No cloud API, no quotas. Optional HTML rewrite only when .webp exists.
Bulk convert images to WebP, compress without visible quality loss, auto-optimize on upload, and see exactly how much space you saved.
Compress images and convert them to WebP on your own server. No external API, no credits, no monthly quota. Every original is backed up.
Compress images and convert JPG, PNG and GIF to WebP and AVIF in the cloud. Offload media to free up disk space and serve images from a CDN.
Convert Media Library images to WebP or AVIF locally in your browser.
PixGrow Image Optimizerv1.1.0
Free browser-based WordPress plugin to compress images and convert to WebP. No API key, zero server load, unlimited bulk image optimization.
Optimize images with WebP/AVIF, resize & compress. Unlimited optimizations + unused scanner. All local—zero risk.